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I installed a Spartan locker today.


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I installed a Spartan lunchbox style locker today in my rear differential. The install wasn't to bad. No need to ...

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Old 01-22-2018, 05:36 PM   #1 (permalink)
 
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Default I installed a Spartan locker today.

I installed a Spartan lunchbox style locker today in my rear differential. The install wasn't to bad. No need to remove the ring and pinion or the carrier. You remove the spider gears and replace them with the locker.

It took me about 2.5 hours. Mainly because the instructions didn't mention reinstalling the c clips so I had to remove it and redo it after following a YouTube video instead of the included instructions. Could do it again in hour now that I know the order.

On road it doesn't really feel too different. If you're making a tight turn you can barely hear it clicking as it allows one wheel to spin faster by a ratcheting mechanism. I didn't feel it push against me on throttle and turning. Really went into it expecting it to not drive as well and I now wish I did it sooner.

Offroad it made a huge difference. I walked right up hills I struggled with before. Can do so much more in 2wd now. Even driving on the slick surfaces, many mud covered roads, it didn't try to push against me when steering.

Probably one of the least expensive ways besides Lincoln locking. Will let everyone know if I end up breaking it.
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Old 01-22-2018, 05:59 PM   #2 (permalink)
 
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I'm intrigued. Not planning on taking mine off road any time soon but I really liked the trac-loc I had in the 02 for day to day use. There were some slippery times when I benefited from it without needing 4wd. I know the trac-loc wasn't robust for you off-roaders but maybe this is an alternative for me too?
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Old 01-22-2018, 07:10 PM   #3 (permalink)
 
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Originally Posted by ltd02 View Post
I'm intrigued. Not planning on taking mine off road any time soon but I really liked the trac-loc I had in the 02 for day to day use. There were some slippery times when I benefited from it without needing 4wd. I know the trac-loc wasn't robust for you off-roaders but maybe this is an alternative for me too?
A true-trac would be a better version of the trac-loc if you were considering it. Love it personally. Made my rear tires feel much more firm. Wish I had one in front as well.
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Old 01-22-2018, 08:12 PM   #4 (permalink)
 
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I did look at the truetrac right after getting the 05 but almost twice the cost of the spartan. Probably would be the better choice for my needs though. Gotta do some suspension work before I worry about that big of an investment.

Edit: How about the Powertrax? I see they fall somewhere in between.
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Old 01-22-2018, 10:11 PM   #5 (permalink)
 
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Originally Posted by ltd02 View Post
I did look at the truetrac right after getting the 05 but almost twice the cost of the spartan. Probably would be the better choice for my needs though. Gotta do some suspension work before I worry about that big of an investment.

Edit: How about the Powertrax? I see they fall somewhere in between.
Powertrax, Aussie, and Spartan are all lunchboxes. Supposedly not ideal for every day use due to their tendency to lock up at unexpected and non-ideal times but good to use on the trail.
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Old 01-22-2018, 10:46 PM   #6 (permalink)
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I’m also wanting to put one in my Jeep after I did a lot of research on them. They seem to be the best option for someone on a budget.
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Old 01-23-2018, 02:47 AM   #7 (permalink)
 
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Originally Posted by ltd02 View Post
I did look at the truetrac right after getting the 05 but almost twice the cost of the spartan. Probably would be the better choice for my needs though. Gotta do some suspension work before I worry about that big of an investment.

Edit: How about the Powertrax? I see they fall somewhere in between.
Powertrax has a few different versions. They have one just like the Spartan that is a lunchbox locker and they have one that is like a limited slip. I would do your research between Powertrax vs Spartan Aussie. I went with Spartan because it came with a hardened cross pin and was supposed to be stronger.
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Old 01-23-2018, 07:48 AM   #8 (permalink)
 
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I now see the lunchbox locker version but I was looking at the Powertrax LS version. I might try one in my truck first. I don't drive it as much. Probably stick with the LS version no matter what. Need to read more reviews since not sure its worth saving a couple hundred if I'm not happy with it. I know the Truetracs are very good.

Thanks everyone!
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Old 01-23-2018, 07:58 AM   #9 (permalink)
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Interesting... I'm intrigued as to how this unit holds up for every day drivability...

So about $300 for each axle is what I'm seeing, sound about right?
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Old 01-23-2018, 08:56 AM   #10 (permalink)
 
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Originally Posted by JasonJ View Post
Interesting... I'm intrigued as to how this unit holds up for every day drivability...

So about $300 for each axle is what I'm seeing, sound about right?
You don't want one up front since you can not "unlock" the front drive line,plus you will have to remove the front diff and pull the carrier to put one in on the D30A since it uses a spring pin to hold the spider gears in place(cross pin) which is blocked by the ring gear(so that must be removed to get the pin out).

Just remember using a lunchbox locker still leaves the same problem as open(or factory LSD),a week stock carrier.The stock spider gears are 100 times stronger then the cast carrier.
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